CN113478405A

CN113478405A - Work fixture

Info

Publication number: CN113478405A
Application number: CN202110581554.5A
Authority: CN
Inventors: 段莉艳; 王自明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of fixtures, in particular to a tool clamp which comprises an operating platform, wherein a base is fixedly connected to the lower surface of the operating platform, a fixing plate is fixedly connected to the upper surface of the operating platform, a clamping mechanism is fixedly connected to the side surface of the fixing plate, a collecting tank is arranged on the upper surface of the operating platform corresponding to the clamping mechanism and extends downwards to the inside of the base, a baffle is connected to the inner wall of the collecting tank in a sliding manner, a straight tank is arranged on the back surface of the base corresponding to the collecting tank, in the invention, a workpiece to be processed can be stably clamped by arranging the fixing plate and the clamping mechanism, and the collecting tank can collect chips generated by processing and are convenient to clean, and the chips generated by processing can be prevented from splashing by arranging the baffle so as to be completely collected by the collecting tank, thereby the tool clamp has the function of conveniently recycling the chips, the chips are prevented from being accumulated to influence the processing of the subsequent workpieces.

Description

Work fixture

Technical Field

The invention relates to the technical field of clamps, in particular to a tool clamp.

Background

Tooling, namely process equipment: the tool is a general name of various tools used in the manufacturing process, and comprises a cutter, a clamp, a die, a measuring tool, a checking tool, an auxiliary tool, a bench tool, a station tool and the like.

The existing tool clamp is used for processing a clamping workpiece, chips generated by processing are not processed, the chips are inconvenient to clean after scattering, meanwhile, the scattered chips are accumulated to easily influence the processing of subsequent workpieces, errors are generated, the product quality is poor, and the shape of the clamped workpiece is limited. Accordingly, a tooling fixture is provided to solve the above-mentioned problems of the background art by those skilled in the art.

Disclosure of Invention

The invention aims to provide a tool clamp to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a tool clamp, includes the operation panel, the lower fixed surface of operation panel is connected with the base, the last fixed surface of operation panel is connected with the fixed plate, the side fixedly connected with fixture of fixed plate, the collecting vat has been seted up with the corresponding position of fixture to the operation panel upper surface, the collecting vat downwardly extending to the inside of base, the inner wall sliding connection of collecting vat has the baffle, the straight flute has been seted up with the corresponding position of collecting vat at the base back, and the inner wall sliding connection of straight flute has the collecting box, the last fixed surface of operation panel is connected with processing equipment.

As a further scheme of the invention: the number of the fixing plates is two, the fixing plates are symmetrically arranged on the upper surface of the operating platform by taking the vertical central line on the front surface of the operating platform as a symmetry axis, two clamping mechanisms can be installed to fix the workpiece by setting the two symmetrical fixing plates, and stress points of the workpiece are positioned on the same horizontal line, so that the workpiece is stable.

As a still further scheme of the invention: the fixture include with fixed plate side fixed connection's guide cylinder, the surface sliding connection of guide cylinder has the urceolus, the side fixed connection of urceolus holding head, the side of holding head is rotated and is connected with the screw lead screw, the screw hole with screw lead screw looks adaptation is seted up to the side of fixed plate, and the inner wall threaded connection of the surface of screw lead screw and screw hole, through setting up the screw lead screw, can drive the holding head and remove, through setting up the holding head, can the centre gripping work piece.

As a still further scheme of the invention: the surface fixed connection of guide cylinder has the slide bar, the inner wall of urceolus set up with the spout of slide bar looks adaptation, and the surface of slide bar and the inner wall sliding connection of spout, the inner wall of urceolus passes through the surface sliding connection of slide bar and guide cylinder, through setting up the slide bar, can make the urceolus slide along the slide bar, prevents the skew.

As a still further scheme of the invention: the one end fixedly connected with of screw lead screw rotates the handle, the surface cover that rotates the handle is equipped with the rubber sleeve, rotates handle and rubber sleeve through setting up, can the person of facilitating the use rotate the screw lead screw.

As a still further scheme of the invention: the baffle is "protruding" style of calligraphy, and the width of baffle bottom equals with the interior width of collecting box, through setting up "protruding" style of calligraphy baffle, can make the bottom position of baffle insert in the collecting box, with the baffle income collecting vat completely, the person of facilitating the use carries out the centre gripping.

As a still further scheme of the invention: the back fixedly connected with handle of collecting box, the material of handle is the stainless steel, through setting up the handle, the person of facilitating the use takes out the collecting box.

As a still further scheme of the invention: the clamping head comprises a fixing ring, a plurality of sliding rods, four bent pipe air cylinders, elastic push rods, electromagnets and clamping pads, wherein the sliding rods are arranged along the inner circumference of the fixing ring; the invention controls the stretching of the elastic push rod by controlling the pressure of the gas in the bent pipe cylinder, and can realize the change of the diameter of the circular structure by utilizing the sliding of the bent pipe cylinder on the sliding rod, thereby realizing the clamping of a workpiece with a certain diameter range if the bent pipe cylinder is taken as a clamping piece. The utility model discloses a pipe bending machine, including return bend cylinder, elasticity push rod, circular structure, electromagnet, the return bend cylinder two end-faces install the electro-magnet, and every an electro-magnet is also installed at the middle part of elasticity push rod, and the resultant force that three adjacent electro-magnet produced can make circular structure produces the trend that the diameter reduces, when pressing from both sides tight work piece, the electro-magnet circular telegram, when not pressing from both sides tight work piece, the electro-magnet circular telegram. One function of the electromagnet is that the workpiece is clamped by matching with the bent pipe air cylinder and the elastic push rod, the electromagnet has magnetism and can attract an iron workpiece to improve the clamping force, and the other function of the electromagnet is that the elastic push rod can deform in advance to improve the stability of the elastic push rod when the workpiece is clamped when the electromagnet is electrified, so that the clamp is prevented from shaking when the workpiece is machined; the combined force of the magnetic forces generated by the three adjacent electromagnets can enable the circular structure to generate a tendency of diameter reduction, so that the stress uniformity of the multiple bent pipe cylinders is ensured, the multiple bent pipe cylinders can be communicated under the condition, and the structure of the clamp is simplified. The clamping pad is arranged on the inner side of the elbow cylinder and is of an arc-shaped structure, and the clamping pad is directly contacted with the workpiece, so that the abrasion of the workpiece and the elbow cylinder can be avoided.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the tool clamp, the fixing plate and the clamping mechanism are arranged, a workpiece to be machined can be stably clamped, the collecting groove and the collecting box are arranged, scraps generated in machining can be collected and conveniently cleaned, the scraps generated in machining can be prevented from splashing by the baffle, and the scraps can be completely collected by the collecting box, so that the tool clamp has the function of conveniently recycling the scraps, and the phenomenon that the scraps are accumulated to influence the machining of subsequent workpieces is avoided.

2. The clamping head is arranged, so that workpieces with different diameters can be clamped, the size of the elbow cylinder in the clamping head can be automatically contracted to adapt to different workpieces, and the clamping pad is arranged, so that the workpieces can be better attached and wrapped by the elasticity of the clamping pad, and the workpieces are better clamped.

Drawings

FIG. 1 is an isometric view of one aspect of the present invention;

FIG. 2 is an isometric view of the invention in another orientation;

FIG. 3 is a schematic view of the internal structure of the clamping mechanism of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

figure 5 is a front view of the gripping head of the present invention.

In the figure: 1. an operation table; 2. a base; 3. a fixing plate; 4. a clamping mechanism; 41. a guide cylinder; 42. an outer cylinder; 43. a clamping head; 431. a fixing ring; 432. a slide bar; 433. a pipe bending cylinder; 434. an elastic push rod; 435. an electromagnet; 436. a clamping pad; 44. a threaded lead screw; 5. collecting tank; 6. a baffle plate; 7. a collection box; 8. processing equipment; 9. a slide bar; 10. rotating the handle; 11. a rubber sleeve; 12. and (4) a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the invention, a tooling fixture comprises an operating platform 1, a base 2 is fixedly connected to the lower surface of the operating platform 1, a fixing plate 3 is fixedly connected to the upper surface of the operating platform 1, a clamping mechanism 4 is fixedly connected to the side surface of the fixing plate 3, a collecting tank 5 is arranged on the upper surface of the operating platform 1 corresponding to the clamping mechanism 4, the collecting tank 5 extends downwards to the inside of the base 2, a baffle 6 is slidably connected to the inner wall of the collecting tank 5, a straight tank is arranged on the back surface of the base 2 corresponding to the collecting tank 5, a collecting box 7 is slidably connected to the inner wall of the straight tank, a processing device 8 is fixedly connected to the upper surface of the operating platform 1, a workpiece to be processed can be stably clamped by arranging the fixing plate 3 and the clamping mechanism 4, and chips generated by processing can be collected by arranging the collecting tank 5 and the collecting box 7, and are convenient to clean, through setting up baffle 6, can prevent that the piece that processing produced from splashing, make it collected by collecting box 7 completely to make this frock clamp have the function of being convenient for retrieve the piece, prevent that the piece from piling up the processing that influences follow-up work piece.

The two fixing plates 3 are symmetrically arranged on the upper surface of the operating platform 1 by taking a vertical central line on the front surface of the operating platform 1 as a symmetry axis, and the two symmetrical fixing plates 3 can be used for installing two clamping mechanisms 4 to fix a workpiece, so that stress points of the workpiece are positioned on the same horizontal line, and the workpiece is stable; the clamping mechanism 4 comprises a guide cylinder 41 fixedly connected with the side surface of the fixing plate 3, the surface of the guide cylinder 41 is slidably connected with an outer cylinder 42, the side surface of the outer cylinder 42 is fixedly connected with a clamping head 43, the side surface of the clamping head 43 is rotatably connected with a threaded screw rod 44, the side surface of the fixing plate 3 is provided with a threaded hole matched with the threaded screw rod 44, the surface of the threaded screw rod 44 is in threaded connection with the inner wall of the threaded hole, the clamping head 43 can be driven to move by arranging the threaded screw rod 44, and a workpiece can be clamped by arranging the clamping head 43; the surface of guide cylinder 41 is fixedly connected with slide bar 9, and the inner wall of urceolus 42 is seted up the spout with slide bar 9 looks adaptation, and the surface of slide bar 9 and the inner wall sliding connection of spout, and the inner wall of urceolus 42 passes through the surface sliding connection of slide bar 9 with guide cylinder 41, through setting up slide bar 9, can make urceolus 42 slide along slide bar 9, prevents to appear the skew.

Wherein, one end of the screw thread lead screw 44 is fixedly connected with a rotating handle 10, the surface of the rotating handle 10 is sleeved with a rubber sleeve 11, and the rotating handle 10 and the rubber sleeve 11 are arranged, so that a user can conveniently rotate the screw thread lead screw 44; the baffle 6 is in a convex shape, the width of the bottom of the baffle 6 is equal to the inner width of the collecting box 7, the baffle 6 in the convex shape is arranged, so that the bottom of the baffle 6 can be inserted into the collecting box 7, the baffle 6 can be completely collected into the collecting tank 5, and a user can conveniently clamp the baffle; the back of the collecting box 7 is fixedly connected with a handle 12, the handle 12 is made of stainless steel, and the collecting box 7 can be conveniently drawn out by a user through the handle 12.

The clamping head 43 comprises a fixing ring 431, a plurality of sliding rods 432, elbow cylinders 433, elastic push rods 434, electromagnets 435 and clamping pads 436, wherein the sliding rods 432 are arranged along the inner circumference of the fixing ring 431, in this example, four sliding rods 432 are taken as an example, one ends of the four sliding rods 432 are fixed on the fixing ring 431 and are arranged along the radial direction of the fixing ring 431, each sliding rod 432 is respectively connected with one elbow cylinder 433 in a sliding manner, one elastic push rod 434 is shared between the adjacent elbow cylinders 433, and a circular structure is formed between the elastic push rods 434 and the elbow cylinders 433; the invention controls the extension and retraction of the elastic push rod 434 by controlling the pressure of the gas in the elbow cylinder 433, and can realize the change of the diameter of the circular structure by sliding the elbow cylinder 433 on the slide rod 434, so that if the elbow cylinder 433 is used as a clamping part, a workpiece with a certain diameter range can be clamped. The electromagnets 435 are mounted on two end faces of the elbow cylinder 433, one electromagnet 435 is mounted in the middle of each elastic push rod 434, the combined force generated by the electromagnets 435 adjacent to each other enables the circular structure to have a tendency of reducing the diameter, when a workpiece is clamped, the electromagnets 435 are powered on, and when the workpiece is not clamped, the electromagnets 435 are not powered on. One function of the electromagnet 435 of the invention is to match the elbow cylinder 433 and the elastic push rod 434 to clamp the workpiece, because the electromagnet 435 has magnetism and can attract the iron workpiece to improve the clamping force, and the other function is to enable the elastic push rod 434 to deform in advance when the electromagnet 435 is electrified so as to improve the stability of the elastic push rod 434 when clamping the workpiece, thereby avoiding the clamp from shaking when processing the workpiece; the combined force of the magnetic forces generated by the three adjacent electromagnets 435 can cause the diameter of the circular structure to decrease, so that the uniformity of the stress on the multiple elbow cylinders 433 is ensured, in this case, the multiple elbow cylinders 433 can be communicated, and the structure of the clamp is simplified. The clamping pad 436 is installed on the inner side of the elbow cylinder 433, the clamping pad 436 is of an arc-shaped structure, and the clamping pad 436 is directly contacted with the workpiece, so that the abrasion of the workpiece and the elbow cylinder 433 can be avoided.

The working principle is as follows: when the tool clamp is used, a user firstly slides the baffle 6 downwards to enable the baffle to completely enter the collecting tank 5, then rotates the rotating handle 10, the rotating handle 10 drives the threaded screw rod 44 to rotate to enable the threaded screw rod 44 to move, the threaded screw rod 44 drives the clamping heads 43 to move, the clamping heads 43 are prevented from being deviated by the guide cylinder 41, the slide rod 9 and the outer cylinder 42 in the process, then the two clamping heads 43 are close to a clamping workpiece, the clamping of the workpiece can be realized by introducing pressurized air into the bent pipe air cylinder 433 in the process of clamping the workpiece, after the clamping is stable, the baffle 6 is moved upwards, the workpiece is processed by the processing equipment 8, the scraps generated in the processing process are blocked by the baffle 6 and fall into the collecting tank 7 through the collecting tank 5, the scraps are prevented from being difficult to be cleaned, meanwhile, the scraps are prevented from being accumulated to influence the subsequent work, and after the workpiece is processed, pulling handle 12 pulls out collecting box 7 and clears up the piece to make this frock clamp have the function of being convenient for retrieve the piece, prevent that the piece from piling up the processing that influences follow-up work piece.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a frock clamp, includes operation panel (1), its characterized in that: the lower fixed surface of operation panel (1) is connected with base (2), the last fixed surface of operation panel (1) is connected with fixed plate (3), the side fixedly connected with fixture (4) of fixed plate (3), collecting vat (5) have been seted up with fixture (4) corresponding position to operation panel (1) upper surface, collecting vat (5) downwardly extending to the inside of base (2), the inner wall sliding connection of collecting vat (5) has baffle (6), the straight flute has been seted up with collecting vat (5) corresponding position to base (2) back, and the inner wall sliding connection of straight flute has collecting box (7), the last fixed surface of operation panel (1) is connected with processing equipment (8).

2. The tooling clamp of claim 1, wherein: the number of the fixing plates (3) is two, and the fixing plates (3) are symmetrically arranged on the upper surface of the operating platform (1) by taking the vertical central line on the front surface of the operating platform (1) as a symmetry axis.

3. The tooling clamp of claim 1, wherein: fixture (4) include with fixed plate (3) side fixed connection's guide cylinder (41), the surperficial sliding connection of guide cylinder (41) has urceolus (42), side fixedly connected with holding head (43) of urceolus (42), the side of holding head (43) is rotated and is connected with screw lead screw (44), the screw hole with screw lead screw (44) looks adaptation is seted up to the side of fixed plate (3), and the surface of screw lead screw (44) and the inner wall threaded connection of screw hole.

4. A tooling clamp according to claim 3, wherein: the surface fixed connection of guide cylinder (41) has slide bar (9), the spout with slide bar (9) looks adaptation is seted up to the inner wall of urceolus (42), and the surface of slide bar (9) and the inner wall sliding connection of spout, the inner wall of urceolus (42) passes through the surface sliding connection of slide bar (9) and guide cylinder (41).

5. A tooling clamp according to claim 3, wherein: one end fixedly connected with of screw lead screw (44) rotates handle (10), the surface cover of rotating handle (10) is equipped with rubber sleeve (11).

6. The tooling clamp of claim 1, wherein: the baffle (6) is in a convex shape, and the width of the bottom of the baffle (6) is equal to the inner width of the collecting box (7).

7. The tooling clamp of claim 1, wherein: the back of the collecting box (7) is fixedly connected with a handle (12), and the handle (12) is made of stainless steel.

8. A tooling clamp according to claim 3, wherein: the clamping head (43) comprises a fixing ring (431), a plurality of sliding rods (432), bent pipe air cylinders (433), elastic push rods (434), electromagnets (435) and clamping pads (436), the sliding rods (432) are arranged along the inner circumference of the fixing ring (431), one end of each sliding rod (432) is fixed on the fixing ring (431) and arranged along the radial direction of the fixing ring (431), each sliding rod (432) is respectively connected with one bent pipe air cylinder (433) in a sliding mode, one elastic push rod (434) is shared between every two adjacent bent pipe air cylinders (433), and a circular structure is formed between each elastic push rod (434) and each bent pipe air cylinder (433); two terminal surfaces of return bend cylinder (433) are installed electro-magnet (435), and every an electro-magnet (435) is also installed to the middle part of elastic push rod (434), and the resultant force that three adjacent electro-magnet (435) electro-magnet produced can make circular structure produces the trend that the diameter reduces, and press from both sides tight pad (436) is installed to the inboard of return bend cylinder (433).